backup
gb/bˈækˌʌp/ us/bˈækˌʌp/
A2
Αγγλικά
~ 3200
Σημασίες
0 σημασίες
Ουσιαστικό
A2
entity
1
Extra copy of computer data
A copy of computer files kept in case the originals are lost or broken.
Μοτίβο χρήσης:
make [a] backup
Συχνό λάθος:
Learners sometimes confuse 'backup' with 'restore'; 'backup' is the copy you make, 'restore' is putting it back.
Συνώνυμα
duplicate (General term for an exact copy, not limited to digital data.)
Αντώνυμα
original (The primary version of the data, not a copy.)
Συνδυασμοί λέξεων
data backup
|cloud backup
|backup file
|automatic backup
|backup system
Θέματα
technology
|computing
|work
|business
|core_vocabulary
Παραδείγματα
- You should make a backup of your photos before upgrading your phone.
- The IT department runs a nightly backup of all company servers.
- I accidentally deleted the file, but luckily I had a backup stored on an external drive.
Παραδείγματα για μαθητές
- I keep a backup of my work on a USB stick.
- He made a backup before changing the program.
- We have a backup of the report on the cloud.
Ουσιαστικό
B1
entity
2
Replacement person or equipment
Someone or something ready to help or replace another if needed.
Μοτίβο χρήσης:
call for [backup]
Συχνό λάθος:
Learners may confuse 'backup' with 'support' in general; 'backup' often implies readiness to replace or assist in urgent situations.
Συνώνυμα
substitute (Focuses on replacing someone in a role, not always in emergencies.)
Αντώνυμα
primary (The main person or resource used first.)
Συνδυασμοί λέξεων
call for backup
|police backup
|emergency backup
|backup generator
Θέματα
work
|emergency
|sports
|business
|core_vocabulary
Παραδείγματα
- The police officer called for backup when the suspect became aggressive.
- We have a backup generator in case of a power outage.
- She's the backup goalie for the team.
Παραδείγματα για μαθητές
- The singer has a backup in case she is sick.
- We need backup to finish this job on time.
- The team has a backup player.
Ουσιαστικό
B1
state
3
Blockage causing delay or buildup
When cars, people, or things cannot move because something is blocking the way.
Συνώνυμα
jam (Informal term for a blockage, especially traffic.)
Αντώνυμα
flow (Smooth and continuous movement without obstruction.)
Συνδυασμοί λέξεων
traffic backup
|sewer backup
|backup on the highway
Θέματα
transportation
|daily life
|daily_life
|core_vocabulary
Παραδείγματα
- There was a huge traffic backup after the accident.
- A sewer backup flooded the basement.
- The festival caused a backup at the ticket gates.
Παραδείγματα για μαθητές
- There is a traffic backup on this road.
- The pipe broke and caused a water backup.
- We had a backup at the airport check-in.
Ρήμα
A2
action
4
Make a duplicate of computer files
To make another copy of computer files so they are safe.
Μοτίβο χρήσης:
backup [files/data]
Συνώνυμα
copy (General term for making another version of something; less specific about safety.)
Αντώνυμα
delete (To remove data entirely without keeping a copy.)
Συνδυασμοί λέξεων
backup files
|backup data
|automatically backup
Θέματα
technology
|computing
|business
|core_vocabulary
Παραδείγματα
- Don't forget to backup your work before shutting down.
- The software will automatically backup your photos every night.
- I need to backup my contacts before switching phones.
Παραδείγματα για μαθητές
- Please backup your work now.
- I will backup my photos today.
- She backed up her phone data.
Γραμματική
Λημματική μορφή
backup
IPA
GB/bˈækˌʌp/
US/bˈækˌʌp/
Συλλαβές και τόνος
backup (1 συλλαβή)
Stress on 1st syllable (backup)
Τύποι λέξης
Noun
- Base: backup
- Plural: backup, backups
Οικογένεια λέξεων
Εκφράσεις
backup plan
1/bˈækˌʌp plˈæn/
fixed phrase
Spare plan in case of failure
Another plan you can use if your first plan does not work.
Παραδείγματα
- We need a backup plan in case it rains on the wedding day.
- Always have a backup plan when traveling abroad.
call for backup
2/kˈɔl fɚ bˈækˌʌp/
fixed phrase
Ask for extra help urgently
To ask other people to come and help quickly, usually in emergencies.
Παραδείγματα
- The officer had to call for backup when the crowd got violent.
- We may need to call for backup if the project falls behind schedule.
backup generator
3/bˈækˌʌp d͡ʒˈɛnɚˌeɪtɚ/
fixed phrase
Spare power generator for outages
A machine that makes electricity when the main power stops working.
Παραδείγματα
- The hospital uses a backup generator during blackouts.
- The hospital's backup generator started automatically during the blackout.
- We installed a backup generator for emergencies.
- We installed a backup generator to protect the servers from power cuts.
- The school relies on a backup generator in the rainy season.